Home / 179,084.64-268,642.08-54,426.72

Finding the Fourth Proportional to 179,084.64, 268,642.08 and 54,426.72

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Solution

The fourth proportional to 179,084.64, 268,642.08 and 54,426.72 is: 81,644.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,084.64 : 268,642.08 = 54,426.72 : x
  2. Step 2: Convert to fraction form
    179,084.64/268,642.08 = 54,426.72/x
  3. Step 3: Cross multiply
    179,084.64x = 268,642.08 × 54,426.72
  4. Step 4: Simplify right side
    179,084.64x = 14,621,307,268.38
  5. Step 5: Solve for x
    x = 14,621,307,268.38/179,084.64
  6. Step 6: Final answer
    x = 81,644.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.